Finding the Fourth Proportional to 10,363,471.70, 15,545,207.55 and 8,198,633.30
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Solution
The fourth proportional to 10,363,471.70, 15,545,207.55 and 8,198,633.30 is: 12,297,949.95
Step by Step Solution
- Step 1: Write the proportion equation
10,363,471.70 : 15,545,207.55 = 8,198,633.30 : x - Step 2: Convert to fraction form
10,363,471.70/15,545,207.55 = 8,198,633.30/x - Step 3: Cross multiply
10,363,471.70x = 15,545,207.55 × 8,198,633.30 - Step 4: Simplify right side
10,363,471.70x = 127,449,456,274,841.42 - Step 5: Solve for x
x = 127,449,456,274,841.42/10,363,471.70 - Step 6: Final answer
x = 12,297,949.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.